Ground Source Heat Pumps

Spare Parts for Ground Source Heat Pumps

Varmetec is a trusted UK supplier of genuine spare parts for ground source heat pumps from all leading manufacturers, including NIBE, IVT, Stiebel Eltron, Vaillant, and Thermia. We help homeowners, installers, and service engineers keep ground source systems operating at maximum efficiency with a full range of high-quality components, available for fast delivery nationwide.

Ground source heat pumps are designed for long-term, low-carbon heating, but regular servicing and timely part replacement are essential to maintain their reliability and performance. At Varmetec, we stock everything from circulation pumps, heat exchangers, sensors, and expansion vessels to compressors, valves, and electronic control boards — all genuine or manufacturer-approved to ensure compatibility and long-term durability.

Our experienced team understands the importance of sourcing the right parts quickly, especially for systems providing year-round heating and hot water. That’s why we make it easy to find and order the exact components you need, with expert support and reliable dispatch.

Whether you’re maintaining a residential installation or servicing a commercial renewable heating project, Varmetec provides the parts and technical knowledge you can rely on. We’re committed to supporting the UK’s transition to sustainable heating by keeping ground source systems running smoothly and efficiently — for years to come.

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120 products

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  • Nibe VST05 - 22mm - 089982

    Regular price £229.89 GBP
    Regular price Sale price £229.89 GBP
    Nibe VST05 - 22mm - 089982
  • Wilo Stratos 40/1-12 DA ( HEAD ONLY )

    Regular price £495.00 GBP
    Regular price Sale price £495.00 GBP
    Wilo Stratos 40/1-12 DA ( HEAD ONLY )
  • Nibe Relay Card - 718127

    Regular price £214.79 GBP
    Regular price Sale price £214.79 GBP
    Nibe Relay Card - 718127
  • Nibe Expansion Valve - 035019

    Regular price £242.51 GBP
    Regular price Sale price £242.51 GBP
    Nibe Expansion Valve - 035019
    Sold out
  • 24L - Heating Expansion Vessel

    Regular price £57.70 GBP
    Regular price Sale price £57.70 GBP
    24L - Heating Expansion Vessel
  • IVT Rego 600 Internal Sensor Card - 87183000960

    Regular price £49.89 GBP
    Regular price Sale price £49.89 GBP
    IVT Rego 600 Internal Sensor Card - 87183000960
  • Combination Cold Water Valve - 1 Piece

    Regular price £183.25 GBP
    Regular price Sale price £183.25 GBP
    Combination Cold Water Valve - 1 Piece
  • Nibe Tundish - 424474

    Regular price £10.30 GBP
    Regular price £20.00 GBP Sale price £10.30 GBP
    Nibe Tundish - 424474
    Sale
  • Nibe Plastic Gable, Lower - 407203

    Regular price £58.63 GBP
    Regular price Sale price £58.63 GBP
    Nibe Plastic Gable, Lower - 407203
  • 1 ¼ DN32 Strainer Valve- 424587

    Regular price £66.39 GBP
    Regular price Sale price £66.39 GBP
    1 ¼ DN32 Strainer Valve- 424587
  • NIbe Soft Start 3x400v - New Generation - 518736

    Regular price £237.57 GBP
    Regular price Sale price £237.57 GBP
    NIbe Soft Start 3x400v - New Generation - 518736
  • Nibe Soft Start 3x400v - 718218

    Regular price £302.97 GBP
    Regular price Sale price £302.97 GBP
    Nibe Soft Start 3x400v - 718218
  • Set of Gables door, Upper & Lower - 407205

    Regular price £47.09 GBP
    Regular price Sale price £47.09 GBP
    Set of Gables door, Upper & Lower - 407205
  • 32AMP Isolator Switch

    Regular price £39.99 GBP
    Regular price Sale price £39.99 GBP
    32AMP Isolator Switch
  • Nibe Selector Switch - 418890

    Regular price £26.67 GBP
    Regular price Sale price £26.67 GBP
    Nibe Selector Switch - 418890
  • Nibe Small offset Grey Knob - 518659

    Regular price £18.30 GBP
    Regular price Sale price £18.30 GBP
    Nibe Small offset Grey Knob - 518659

What Our Customers Say

At Varmetec, we take pride in delivering reliable service, genuine components, and expert support that our customers can depend on. From installers and service engineers to homeowners and renewable energy specialists, our clients trust us to keep their systems performing at their best. Here’s what they have to say about working with Varmetec.

We’ve relied on Varmetec for all our heat pump parts over the past year, and their service has been exceptional. Orders arrive quickly, the parts are always genuine, and the team’s technical knowledge saves us valuable time on site. A dependable partner for any installer.

James H., Renewable Energy Engineer, Bristol

Finding the right replacement parts for our NIBE system used to be a challenge — until we discovered Varmetec. Their website made it easy to identify what we needed, and the parts arrived within two days. Great service, clear communication, and genuine components.

Laura P., Homeowner, Surrey

As a heat pump service engineer, speed and accuracy are everything. Varmetec consistently provides the right components when I need them most. Their support team knows the products inside out — it’s refreshing to deal with people who genuinely understand the industry.

Mark D., Heating Specialist, Manchester

Varmetec has become our go-to supplier for large-scale renewable projects. Their stock availability and delivery reliability have been excellent, even for less common parts. A professional company that’s truly committed to supporting the UK’s renewable heating market.

Sarah L., Project Manager, Sustainable Developments Ltd